OCTOPUS will terminate its service on March 29, 2024, at 17:00. From April 2024 onwards, operations will be solely conducted through SQUID and ONION. The procurement procedures for the successor system to OCTOPUS are currently underway, with an introduction planned for 2025 or later. Further announcements will be made once decisions have been finalized.
This page provides information on the "Service Schedule for Large-Scale Computer Systems" and the "Data Migration from OCTOPUS to SQUID" for a subset of users.Users of OCTOPUS in FY2023 are requested to read this page and, if necessary, apply for SQUID or download their data accordingly.


Operating Schedule

OCTOPUS cease its services on March 29, 2024, at 17:00.
Data migration to SQUID will be carried out for a selected group of users.
SQUID continue to operate without changes.


Data Migration from OCTOPUS to SQUID

For users who utilized OCTOPUS in FY2023 and have applied for the use of SQUID for FY2024, the following data migration will be conducted:
The destination directory will be read-only, and new writings will not be permitted. Users are responsible for copying to /sqfs/home or /sqfs/work themselves.
Access will be available from April 2024 to March 2025. During this period, additional storage capacity will be provided on SQUID for the volume of data being migrated (free of charge).
OCTOPUS Users on HPCI, JHPCN, or Proposal-based use are not eligible for data migration. It is recommended to download the data to your possession.

Target Directories for Migration (OCTOPUS) /octfs/home
* Data as of the OCTOPUS service termination date (March 29, 2024) will be migrated
Destination Directories (SQUID) /octfs/work
The paths remain the same as OCTOPUS, but the data will be placed on SQUID's file system.


Eligible Users

Categories Data Migration from OCTOPUS to SQUID
Groups using OCTOPUS in FY2023
(General Use, Industrial Use, Trial Use)
will be eligible for data migration to SQUID if they apply for SQUID use in FY2024.
Groups using OCTOPUS in FY2023
under HPCI, JHPCN, or proposal-based use in FY2023

will not be eligible for data migration.

Groups who did not use OCTOPUS in FY2023

will not be eligible for data migration.


Application for SQUID Use in Fiscal Year 2024

Please apply for paid use or trial use of SQUID by submitting an application for continued use.
We plan to start accepting applications for continued use around March 1. We will contact you by e-mail as soon as the application process starts.
Please apply by March 22, 2024 (Friday).



For current users of OCTOPUS:

Q: Will new accounts be issued for SQUID?

A: The accounts used on OCTOPUS can be used as is on SQUID.

Q: What will the billing system for SQUID be like?

A: It will be a point-based system, similar to OCTOPUS, allowing for the use of all nodes across the board.

Service Charge


Q: Can I use SQUID only during the trial period?

A: Yes, the trial period lasts for three months, during which we request you to download the necessary data to your possession.

Q: If I used OCTOPUS under the trial use in 2023, will my data be migrated to SQUID?

A: Yes, if you apply for the use of SQUID in FY2024, your data will be migrated.

Q: What happens to the data on OCTOPUS if it is not eligible for migration or if I do not apply for migration?

A: The data will be deleted along with the termination of OCTOPUS's service, so please download it to your possession before the service ends.

Q: If the application representative applies, will all members of the group be eligible for data migration?

A: Yes, all members of the group managed by the application representative will be eligible for data migration.

Q: Can I apply individually without going through the application representative or group application?

A: We request that applications be made on a group basis.

Q: When is the deadline for applying for continued use of SQUID in FY2024?

A: The application for continued use must be completed by March 22, 2024 (Friday).
  If you cannot meet the deadline, please notify us at system@cmc.osaka-u.ac.jp.